Synonyms to leading idea

guiding principle, big idea, canon, code, commandment, convention, course, creed, dictum, form, formula, fundamental idea, general principle, golden rule, guideline, guiding principles, idee-maitresse, imperative, law, line, main idea, maxim, mitzvah, moral, norm, ordinance, plan of action, platform, policy, polity, position paper, principal idea, principium, principle, principles, procedure, regulation, rubric, rule, settled principle, standard, tenet, working principle, working rule